Table 1.
Chemical structure of escin isomers (explanation to Figure 3).
| Saponin | R1 | R2 | R3 |
|---|---|---|---|
| Escin Ia | Tiglic acid | -COCH3 | H |
| Escin Ib | Angelic acid | -COCH3 | H |
| Isoescin Ia | Tiglic acid | H | -COCH3 |
| Isoescin Ib | Angelic acid | H | -COCH3 |
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